Engineering Mechanics - PKRB: Force and Animation - Discussion

Discussion :: PKRB: Force and Animation - General Questions (Q.No.10)


A cord wrapped around the inner core of a spool. If the cord is pulled with a constant tension of 30 lb and the spool is originally at rest, determine the spool's angular Velocity when s = 8 ft of cord have unraveled. Neglect the weight of the cord. The spool and cord have a total weight of 400 lb and the radius of gyration about the axle A is kA = 1.30 ft.

[A]. = 6.73 rad/s
[B]. = 3.38 rad/s
[C]. = 4.78 rad/s
[D]. = 11.43 rad/s

Answer: Option C


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